In the Xingtai area, with many companies of mine, smelting, mechanical treatment and Jingguang electric railway passing through this area, a mass of harmonics have been injected into the power system.
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释义
邢台地区矿产、冶炼、机械加工生产单位众多,京广电气化铁路横跨市区及五县(市),给系统注入了大量的谐波电流。
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